phpunit.xml
<?xml version="1.0" encoding="UTF-8"?>
<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" bootstrap="tests/bootstrap.php" colors="true" verbose="true" xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.3/phpunit.xsd">
<coverage>
<include>
<directory suffix=".php">src</directory>
</include>
</coverage>
<testsuites>
<testsuite name="tests">
<directory>tests</directory>
</testsuite>
</testsuites>
</phpunit>